
590 RECORDS OF THE S.A. MUSEUM 
The most similar species is Ctenacroscelis conspicabilis (Skuse) which differs 
in the coloration and iu the structure of the antennae and male hypopygium. 
Treuna Linnaeus, 1758. 
Treuna (PAPUATIPULA) OBEDIENS sp. nov. 
General cvloration of mesonotal pravseutum buffy grey with four cleaver grey 
Stripes that are narrowly bordered by brown; antennae short, flagellar segments 
conspicuonsly Mieoloured, yellow, with darkened bases; femora brownish yellow, 
the tips more infuseated ; wings brownish grey, cells C aud Se light brown, the 
stigma darker brown; w-—cw close to midlengih of My 43 male hypopygium with 
the outer dististyle narrowed outwardly, tipped with several spines, with a 
larger spinous point on ventral surface hack from apex. 
¢ Length, about 16-17 mm.; wing, 15-16-3 mm. ; antenna, about 3-3-1 mm. 
¢ Length, about 21-22 mm.; wing, 16-17 miu, 
Frontal prolongation of head light brown or brownish yellow; uasus distinct; 
palpi with the first segment light brown, tlie remainder dark brown, the incisures 
pale; terminal segment more reddened apically. Antennae short; basal three 
segments yellow, the remainder bicoloured, dark brown basally, the outer portion 
yellow, the amount of the latter colour becoming less on the outer segments; 
verticils long and conspicuous; basal swellings seareely developed. Head above 
buffy, patterned with brown on the posterior vertex, including a central marking 
and more extensive postocular areas; vertical tuberele low aud simple. 
Pronotum light brown, narrowly darkened medially and more extensively 
on sides, Mesonotal praescutum buffy grey, with four clearer prey stripes that 
are narrowly bordered by brown, the lateral pair more extensively suffused; 
posterior sclevites of uotum yellow, the scutal Jobes patterned with brownish grey 
areas that are more or less bordered hy brown, Pleura lighi grey, patterned with 
darker, most conspicuously so on the ventral sternopleurite. Halteres with stem 
yellowish brown, clear basally, the knobs more darkened. Legs with the coxae 
brownish grey; trochanters whitish yellow; femora brownish yellow, the tips 
more infuseated ; remainder of legs light brown; claws (male) elongate, bidentate, 
with two teeth, basal and medial in position. Wings brownish grey, cells C and Sc 
light brown ; stigma long and narrow, darker brown; a very narrow dark marginal 
seaming in outer radial field; anterior cord narrowly bordered by brown; veins 
brown, Venation ; #y.» entirely atrophied; vein Ry straight, in alignment with 
Fy 43, the latter nearly twice Rs; m—cw close to midlength of Ms. 4, about as long 
as fis; cell 2nd. A relatively wide. 
Basal abdominal tergite grey; remainder of abdomen chiefly brown or 
reddish brown ; the sternites somewhat, paler, especially in male. Male hypopygium 
with the tergite prodneed into two blackened lobes, the surface with microseopice 
